Our KM311 Hydraulic rock bolting rig is designed for the construction of rock bolts in pipe seams and it is capable of passing through sections 2.5 meters wide and 2.2 meters high. It is suitably qualified for anchoring operations in tunnels whose section extends to a width of over 2.5 meters and a height of over 3 meters.
1. Complete functions
The advancing beam at two stations is available and it is equipped with a magazine with a storage capacity of 10 bolting rods, along with an optional protective netting module. It is capable of performing the following tasks: drilling, netting and installation of rock bolting rods.
2. High safety
Operators are protected by the ceiling, far away from the danger area.
3. High efficiency
The stepped piston is used for the high-frequency rock drill and this can improve the transmission efficiency of impact wave, increasing drilling speed and reducing the consumption of drilling tools.
4. Good view for the operator
The articulated chassis of four-wheel drive ensures the flexible, quick and safe driving in narrow tunnels.
5. Considerable space
Considerable space and automatic functions enable the driver to concentrate on drilling in a safe, fast and accurate manner.
6. Easy maintenance
All the relevant parts are protected from the outside environment and are easy to maintain.
|Tramming speed on flat ground||10km/h|
|Maximum climbing capacity||25%（14°）|
|Air compressor||1×JN5||Oil consumption of lubrication||180-250 g/h|
|Capacity of air compressor||0.5m³/min|
|Pressure||6-8 bar||Water pump||1×CR3|
|Device of shank lubrication||Electronic pulse lubrication pump||Power||1.5kW|
|Air consumption of lubrication||0.3m³/min||Capacity of water pump||3m³/h|
|Lifting safety roof||Meet the requirements of FOPS and ROPS|
|Diesel engine||Cummins QSB3.9 /60kW/2200rpm or DEUTZ |
|Travelling braking||Wet brake|
|Exhaust purification||Exhaust catalyst||Parking braking||Web multidisc brake|
|Four-wheel drive system with wet axle |
(closed travelling system)
|Dilling||Bolt Rod Install|
|Maximum rotary pressure||175bar||------|
|Applicable height of tunnel||Bolt rod length +1500mm|
|Impact/Feed/Positioning||Axial variable displacement piston pump|
|Filter fineness||10 μ|
|Hydraulic oil tank||240L|
|Hydraulic cooler||Water cooler|
|length of reel cabling||100m|
|Outer diameter of cable||φ28mm|